久久免费看黄a级毛片_日本丰满护士爆乳xxxx_狠狠干狠狠爱_亚洲乱妇熟女爽到高潮的片_亚洲精品亚洲人成在线下载

Welcome to the official website of Legret Metal Company
Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
National consultation hotline:135-2799-2739
Contact US
mobile phone: 135-2799-2739
Service hotline: 0769-38893080
Email: lzd@dglzd.com
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Solder paste

Solder paste Sn50Pb50

Product parameters

★L(fēng)oose reflow process window
★Excellent wetting and tin eating ability
★L(fēng)ow bubble and void ratio
★The adhesive force can be maintained for a long time
★Transparent residue

Scope of application

Suitable for SMT industry PCB surface resistance, capacitance, IC and other electronic components welding

The advantages of the product are as follows:

1. Printing rolling and forming, as low as 0.3mm spacing pad can also complete exquisite printing;

2. During continuous printing, the viscosity changes little, and the steel mesh has a long operational life. It will not dry after more than 8 hours, and still keeps good     printing effect;

3. After several hours of printing, the original shape is still kept, basically no collapse, and the chip components will not be offset; 

4. It has excellent weldability and can show proper wettability in different parts; 

5. It can adapt to the requirements of different grades of welding equipment. It does not need to complete welding in nitrogen charging environment, and it can still perform good welding performance in a wide range of reflow furnace temperature;

6. After welding, the residue is very little, the color is very light, and the insulation resistance is high, which will not corrode the PCB, and can meet the requirements of free washing; 

7. It has better ICT test performance and will not produce misjudgment; 

8. It can be used for paste in hole process.


主站蜘蛛池模板: 国产精品久免费的黄网站| 妺妺窝人体色www婷婷| 欧美日韩一区二区综合| 久精品国产欧美亚洲色aⅴ大片| 成人妇女免费播放久久久| 国产欧美日韩精品丝袜高跟鞋| 精品国偷自产在线视频99| 麻批好紧日起要舒服死了| 777爽死你无码免费看一二区| 国产免费又爽又色又粗视频| 免费特级黄毛片| 国模大胆一区二区三区| 亚洲av片无码久久五月| 国产精品久久久久久无码五月| 国产内射999视频一区| 国产va在线观看免费| 国产精品视频一区二区三区无码| 中文字幕亚洲乱码熟女在线| 亚洲中文字幕久在线| 久久水蜜桃亚洲av无码精品| 免费无码又爽又刺激高潮的app| 国产成+人+综合+亚洲欧美| 国内揄拍国内精品人妻| 久久九九精品99国产精品| 久久这里只有精品首页| 亚洲色欲啪啪久久www综合网| 亚洲男人天堂| 欧美成人精品一区二区综合| 色妺妺av爽爽影院| 欧洲黑大粗无码免费| 国产乱xxxxx97国语对白| 日韩精品无码一区二区三区| 国产偷v国产偷v亚洲高清| 国产一区二区| 丰满熟妇乱又伦| 揉捏奶头高潮呻吟视频| 高潮内射免费看片| 无码h黄肉3d动漫在线观看| 亚洲av无码专区青青草原| 久久国产精品77777| 国产裸体舞一区二区三区|